[PATCH] firmware: ti_sci: allow frequency change for disabled clocks by default

[Tero Kristo]

If a clock is disabled, its frequency should be allowed to change as
it is no longer in use. Add a flag towards this to the firmware clock
API handler routines.

Tested-by: Tomi Valkeinen 
Signed-off-by: Tero Kristo 
---
 drivers/firmware/ti_sci.c | 6 --
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c
index 53cee17d0115..39890665a975 100644
--- a/drivers/firmware/ti_sci.c
+++ b/drivers/firmware/ti_sci.c
@@ -1124,7 +1124,8 @@ static int ti_sci_cmd_get_clock(const struct 
ti_sci_handle *handle, u32 dev_id,
 static int ti_sci_cmd_idle_clock(const struct ti_sci_handle *handle,
 u32 dev_id, u32 clk_id)
 {
-   return ti_sci_set_clock_state(handle, dev_id, clk_id, 0,
+   return ti_sci_set_clock_state(handle, dev_id, clk_id,
+ MSG_FLAG_CLOCK_ALLOW_FREQ_CHANGE,
  MSG_CLOCK_SW_STATE_UNREQ);
 }
 
@@ -1143,7 +1144,8 @@ static int ti_sci_cmd_idle_clock(const struct 
ti_sci_handle *handle,
 static int ti_sci_cmd_put_clock(const struct ti_sci_handle *handle,
u32 dev_id, u32 clk_id)
 {
-   return ti_sci_set_clock_state(handle, dev_id, clk_id, 0,
+   return ti_sci_set_clock_state(handle, dev_id, clk_id,
+ MSG_FLAG_CLOCK_ALLOW_FREQ_CHANGE,
  MSG_CLOCK_SW_STATE_AUTO);
 }
 
-- 
2.17.1

--
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Re: [PATCH] firmware: ti_sci: allow frequency change for disabled clocks by default

[Nishanth Menon]

On 14:03-20200907, Tero Kristo wrote:
> If a clock is disabled, its frequency should be allowed to change as
> it is no longer in use. Add a flag towards this to the firmware clock
> API handler routines.
> 
> Tested-by: Tomi Valkeinen 
> Signed-off-by: Tero Kristo 
> ---
>  drivers/firmware/ti_sci.c | 6 --
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c
> index 53cee17d0115..39890665a975 100644
> --- a/drivers/firmware/ti_sci.c
> +++ b/drivers/firmware/ti_sci.c
> @@ -1124,7 +1124,8 @@ static int ti_sci_cmd_get_clock(const struct 
> ti_sci_handle *handle, u32 dev_id,
>  static int ti_sci_cmd_idle_clock(const struct ti_sci_handle *handle,
>u32 dev_id, u32 clk_id)
>  {
> - return ti_sci_set_clock_state(handle, dev_id, clk_id, 0,
> + return ti_sci_set_clock_state(handle, dev_id, clk_id,
> +   MSG_FLAG_CLOCK_ALLOW_FREQ_CHANGE,
> MSG_CLOCK_SW_STATE_UNREQ);
>  }
>  
> @@ -1143,7 +1144,8 @@ static int ti_sci_cmd_idle_clock(const struct 
> ti_sci_handle *handle,
>  static int ti_sci_cmd_put_clock(const struct ti_sci_handle *handle,
>   u32 dev_id, u32 clk_id)
>  {
> - return ti_sci_set_clock_state(handle, dev_id, clk_id, 0,
> + return ti_sci_set_clock_state(handle, dev_id, clk_id,
> +   MSG_FLAG_CLOCK_ALLOW_FREQ_CHANGE,
> MSG_CLOCK_SW_STATE_AUTO);
>  }
>  

Acked-by: Nishanth Menon 

-- 
Regards,
Nishanth Menon
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849D 1736 249D